What determines if a core remnant becomes a neutron star?
Answer
If the core mass is between roughly 1.4 and 3 times that of the Sun
After the supernova occurs, the remaining core mass dictates the type of object that is left behind. If the remnant core's mass falls within the range of 1.4 to 3 solar masses, the object becomes a neutron star. In these objects, the resistance of neutrons to being packed closer together, known as neutron degeneracy pressure, is strong enough to prevent further collapse and stabilize the structure.
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